An improvement in Lync Server’s address book normalization process is instantly noticeable when looking at the simplicity of the example pattern above.

In the past long, complicated regular expressions (regex) were required to filter-out any non-digit information which could be potentially stored in the telephone field.

But now Lync Server automatically ignores non-telephony related digits in the strings and only looks at the continuous 0-9 numerical digits (and also recognizes the symbol).

Connect to your Exchange Server using RDP or any remote application 2. And select Exchange Management Console from the list NOW WE WILL START THE UPDATE PROCESS, PLEASE DO THE FOLLOWING: 1. You can also click on the Update link located in the Action pane on the far right after highlighting the Default Global Address List. You will receive the following message, just select Yes 5. Now follow the steps in "FORCE OUTLOOK TO UPDATE THE OFFLINE ADDRESS BOOK" to download the address book again Finally please rate this article or leave a comment if this was helpful??A short tutorial showing how to set up an email signature in Outlook on the Web (previously known as OWA). We are in Hybrid mode, users on office 365 are facing the Offline address book issue on Mac Outlook 2016.In Exchange, under Client Access Offline Address Book Distribution, there is only one OAB location set, and that is pointing to our internal and external https paths to distribute the OAB. Why are these users affected by this error receiving "OAB URL: Public Folder"?Presumably this comes from the autodiscover XML sent by the Exchange server.